Attenuation Corrected Cardiac SPECT Imaging Using Simultaneous Reconstruction and a Priori Information
Attenuation correction in SPECT typically performed using CT or Gadolinium-source based transmission scans, is more and more becoming established practice in many medical applications. For cases where no further anatomical information from a transmission scan is available, different approaches have...
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Published in | IEEE transactions on nuclear science Vol. 58; no. 2; pp. 527 - 536 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
New York
IEEE
01.04.2011
The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
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Abstract | Attenuation correction in SPECT typically performed using CT or Gadolinium-source based transmission scans, is more and more becoming established practice in many medical applications. For cases where no further anatomical information from a transmission scan is available, different approaches have been proposed in the past, attempting to recover the attenuation information directly from SPECT projection data. However, these methods often result in noticeable image artifacts caused by an inherent cross-dependency between the estimated attenuation and activity distribution. |
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AbstractList | Attenuation correction in SPECT typically performed using CT or Gadolinium-source based transmission scans, is more and more becoming established practice in many medical applications. For cases where no further anatomical information from a transmission scan is available, different approaches have been proposed in the past, attempting to recover the attenuation information directly from SPECT projection data. However, these methods often result in noticeable image artifacts caused by an inherent cross-dependency between the estimated attenuation and activity distribution. |
Author | Aach, Til Goedicke, Andreas Salomon, André |
Author_xml | – sequence: 1 givenname: André surname: Salomon fullname: Salomon, André email: andre.salomon@post.rwth-aachen.de organization: Inst. of Imaging & Comput. Vision, RWTH Aachen Univ., Aachen, Germany – sequence: 2 givenname: Andreas surname: Goedicke fullname: Goedicke, Andreas email: andreas.goedicke@philips.com organization: Mol. Imaging Syst., Philips Res. Eur., Aachen, Germany – sequence: 3 givenname: Til surname: Aach fullname: Aach, Til email: Til.Aach@lfb.rwth-aachen.de organization: Inst. of Imaging & Comput. Vision, RWTH Aachen Univ., Aachen, Germany |
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SubjectTerms | Anatomical model Attenuation attenuation correction attenuation map consistency conditions Data models Face Heart Image reconstruction Imaging line-source Medical Projection Reconstruction Shape simultaneous reconstruction Single Photon Emission Computed Tomography (SPECT) Three dimensional displays |
Title | Attenuation Corrected Cardiac SPECT Imaging Using Simultaneous Reconstruction and a Priori Information |
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